2006 4.4l v8 hse 120k mi
(1)rattle started on cold startup then drives fine.
(2) changed oil. rattle was on cold startup and then sometimes during drive up hills. then codes of p0018 and sometimes after startup engine fault and limited gears tranny.
(3) clearly the one bank vvt variable valve timing is not functioning. also got red oil pressure light. changed switch for oil pressure still the same.
(4) will take apart engine to change vvt sprockets and timing chain as well..
question--anyone done this before and perhaps have any of the cam locking tools and pullers etc for loan?
thanks ahead of time for any thoughts and help